To stay awake, my brother finished a cup of coffee and ordered       .

(2013·高考安徽卷)This project requires close teamwork.________ will be achieved unless we work well together.

The thought of going back home was _______ kept him happy while he was working abroad.

Thank you for giving up your coffee break to help. I know you always need _________after three classes. 

--Which coat would you prefer, sir?  --I’11 take___________, to have a change sometimes.